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A. Margina, Lecheva, I., Craker, L. E., and Zheljazkov, V. D., “DISEASES AND PESTS ON BULGARIAN OIL-BEARING ROSE (ROSA KAZANLIKA V.T. = ROSA DAMASCENA MILL. VAR. KAZANLIKA)”, Acta Horticulturae, no. 502, pp. 237 - 242, 1999.
A. Margina and Zheljazkov, V. D., “Leaf spot on milk thistle (Silybum marianum L. Gaerth.) in Bulgaria.”, 1996.
A. Margina, Lecheva, I., and Zheljazkov, V. D., “ Investigation on pest entomofauna and fungus diseases of essential oil and medicinal plants in Bulgaria. Part II. Study on economically important diseases.”, in Proceedings. International symposium. Breeding research on medicinal and aromatic plants, 1996.
A. Margina and Zheljazkov, V. D., “STUDIES ON THE INFLUENCES OF SOME SYSTEMIC FUNGICIDES ON THE YIELDS AND QUALITY OF ESSENTIAL OIL FROM BULGARIAN OIL-BEARING ROSE”, Acta Horticulturae, no. 426, pp. 355 - 364, 1996.
A. Margina and Zheljazkov, V. D., “FUNGAL PATHOGENS FROM UREDINALES ON SOME MEDICINAL AND AROMATIC PLANTS IN BULGARIA AND THEIR CONTROL”, Acta Horticulturae, no. 426, pp. 333 - 344, 1996.
A. Margina and Zheljazkov, V. D., “Evaluation of some fungicides against Rust and Black spot in Rosa damascena cv. trigintipetala”, J. Essent. Oil Res., vol. 7, pp. 515-525, 1995.
A. Margina and Zheljazkov, V. D., “Control of mint rust (Puccinia menthae Pers.) on mint with fungicides and their effect on essential oil content”, J. Essent. Oil Res., vol. 6, pp. 607-615, 1994.
A. Margina and Zheljazkov, V. D., “Fungal Pathogens from Uredinales on some Medicinal and Aromatic Plants in Bulgaria and their Control”, Acta Hort. , vol. 426, pp. 333-343, 1996.
A. Margina and Zheljazkov, V. D., “Studies on the influence of some systemic fungicides on the yields and quality of essential oil from Bulgarian oil-bearing rose”, Acta Hort. , vol. 426, pp. 355-364, 1996.
A. Margina and Zheljazkov, V. D., “Leaf spot on milk thistle (Silybum marianum L. Gaerth.) in Bulgaria”, Beitrage zur Zuchtungsforschung , vol. 2, pp. 254-256, 1996.
A. Margina, Lecheva, I., and Zheljazkov, V. D., “. Investigation on pest entomofauna and fungus diseases on essential oil and medicinal plants in Bulgaria. Part II. Study on economically important diseases.”, Beitrage zur Zuchtungsforschung , vol. 2, pp. 261-263, 1996.
A. Margina, Lecheva, I., and Zheljazkov, V. D., “. Investigation on pest entomofauna and fungus diseases on essential oil and medicinal plants in Bulgaria. Part I. Study on the harmful entomofauna”, Beitrage zur Zuchtungsforschung , vol. 2, pp. 257-260, 1996.
A. Margina and Zheljazkov, V. D., “Study on economically important diseases in valerian”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 273-277, 1995.
A. Margina, Zheljazkov, V. D., and Kovatcheva, N., “Fungus diseases on essential oil and medicinal plants.”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 395-362, 1995.